Valved ring and spigot assembly



March 3, 1953 J. R. SNYDER vALvED RING-AND sPIGoT ASSEMBLY Filed Aug. 28, 1948 Patented Mar. 3, 1953 VALVED RlNG AND SPIGOT ASSEMBLY Jacob Rush Snyder, Cleveland, Ohio, assignor to Thompson Products, lne., Cleveland, Ohio, aI

corporation of Ohio Application August Z8, 1948, Serial No. 46,663

Claims.

This invention relates to a. self-closing assembly for drainage of drums, barrels and the like containers.

More particularly, the invention relates to a valve-equipped assembly for a bung bushing which includes a detachable spigot for quickly opening the valve when the spigot is inserted into the bushing, and for effecting a quick sealing of the bushing when the spigot is withdrawn.

According to this invention, a bushing ring is equipped with a spring biased poppet type valve for closing a liiow passage through the ring. The passage is adapted to journal the end of a drain spigot which carries a plurality of seal rings of the 0 ring type, One of these seal rings prevents leakage between the ring and spigot, and the other ring serves as a retainer to hold the spigot for opening the valve. This other ring acts as a releasable snap lock, The spigot member has a tapered end portion iitting snug- 1y onto a tapered valve seat) portion of the bushing ring so that the end face of the spigot does 'not appreciably reduce the size of the drain outlet. Therefore, the valve seat can present a relatively small effective area to the interior of the drum for minimizing fume and static load resistance to the actuation of the valve while maintaining a maximum area of flow.

An object of the present invention is to provide a cap and spigot assembly for drums, barrels and the like which permits rapid insertion and withdrawal of the spigot without destroying the hermetic sealing of the container.

A further object of the invention is to provide a valved closure cap and drain spigot assembly for drumsl barrels and the like wherein seal rings on the spigot coact with annular recesses in the cap for sealing the spigot in the cap and for retaining the spigot to hold the valve of the cap ln an open position.

Another object of this invention is to provide mating tapered walls on the spigot and cap so that the size of the valve seat can be reduced without reducing the drain capacity of the assembly.

A still further object of the invention is to provide a spring-loaded poppet valve equipped bushing ring for bung bushings.

Other and further objects of the invention will be apparent from the following description of the annexed sheets of drawings, which illustrate several preferred embodiments of the invention.

On the drawing:

Figure 1 is a fragmentary cross-sectional view of the end head of a drum equipped with a cap 2 and spigot assembly of this invention and illustrates the condition where the spigot is partially inserted into the cap, but where the valve is still closed;

Figure 2 is a view similar to Figure 1,V but with the spigot completely inserted in the assembly and the valve open to permit drainage;

Figure 3 is a view taken along the line III-III of .Figure 1;

Figure 4 is a view taken along the line IV-IV of Figure 1 with the spigot removed; and

Figure 5 is a view similar to Figures 1 and 2 but showing a locking screw and cover arrangement for the cap to seal the assembly during transit or storage.

As shown on the drawing:

In Figures 1 and 2 the reference numeral I0 denotes a metal drum having a cylindrical side wall II equipped with an end head Ila. The configuration of the end head Ila provides recess I2 in the end of the drum. The end head Ila contains an opening I3 and a bung bushing I4 is sealingly attached to the end head IIa around this opening I3. The bung bushing I i has internal threads Illa and a cylindrical neck terminating in bead Illb. A bushing ring I5 contains threads I5a in threaded engagement with threads Illa of the bushing. Out-turned flange I5b on the ring I5 overlies the mouth Ilic of the bushing and acts to compress gasket I6 into sealing relationship between the bushing I4 and the ring I5.

The ring I5 has a central passage Ic` and a valve-seating face I5d surrounding the inner end of the passage I5c. A pair of recessed porl tions I5e are found in the outer face of the ring I5 and are adapted for the insertion of a Spanner wrench for tightening ring I5 into bung bushing I4.

As shown in Figure 3, the ring I5 has a pair of opposed recessed portions I5g extending over a portion of the inner face of ring I5 to lighten the weight of the ring and to direct ow into the ring.

An inverted cylindrical cup-shaped housing Il containing end flange portions I'Ia around the open end thereof is secured to ring I5 as by peening over ring I5h to form overlying lips or heads I5h on the flanges I'Ia. The valve housing Il slidably guides a poppet type valve I8.y Ribs I'Ib are stamped on the side of the housing I'I to rigidify the housing. Ports IIc in the side of the housing provide for drainage access to the valve I8. This valve I8 has a hollow stem |811. slidable through a hole in the closed end of the housing I1 and eounterbored and threaded at I8b to receive a locking screw S (Figure depending from a cover C which spans the open outer end of the ring I5 and locks the valve I8 in closed position during transit or storage of the drum. A gasket G is interposed between the cover C and the ring to seal the passage I5c,

The valve I8 has a disk-like head I8c slidably guided by the side wall of the housing I'I. The outer face of this head has an annular recess Id so that the threaded end I8b of the stem forms an upstanding central portion in the recess receiving a washer I9 therearound. This washer contains a plurality of peripheral spaced lugs or ngers I 9a extending into the passage I5c to engage the spigot when the latter is inserted into the ring I5.

The washer member I9 partially overlies a resilient gasket ring 2I seated in the recess I8d around a depressed portion of the washer. The ring 2I is made of material such as chloroprene rubber which can withstand attack by the fluid contained in the drum. The washer is held in the valve head Id by ears or lugs I8e on the portion I8b of the valve.

A helical spring 22 surrounds the stem Ia and is compressed between the valve head I8c and the closed end of the housing I'I to urge the valve into closed position with the ring 2I seated against the seat I5d.

Figure 1 shows the assembly with a spigot 23 partially inserted (or partially removed from) the ring assembly. In this position, the valve I8 is closed.

The spigot 23 has an externally tapered end portion 23a tapered in conformity with the taper of the side of valve seat I5d to allow a close rit between the spigot and ring assembly. The tapered end portion 23a acts on the spaced lugs ISa to open the valve and presents a relatively small end face to the interior of the drum so that the spigot does not appreciably reduce the drainage capacity of the ring I5, and as a result the seat I5d can be of smaller diameter to reduce the effective loaded area of the valve I9. The load on the valve caused by fluid pressures in the drum is thereby minimized and valve actuation is facilitated.

The spigot has grooves 23D and 23e carrying O rings 24 and 25 made of resilient material such as chloroprene rubber and the like to seal the spigot 23 in the ring I5 while the ring 25 seats in the recessed portion l 5f of the ring I 5 to hold the spigot in valve opening position with the end of the spigot acting upon the fingers I9a as shown in Figure 2. A flanged portion 23o extends from the periphery of spigot 23 and limits the extent of insertion of the spigot 23 in the ring assembly through contact with ring I5 as shown best in Figure 2.

The spigot is provided with an operating handle 24 for easy manipulation thereof.

The interior of the spigot 23 is provided with an angled passage 23d and a downwardly extending discharge spout portion 23e.

From the above description, it will be understood that this invention provides a self-closing cap assembly for drums, barrels and other containers that is adapted to be readily inserted in a drum or barrel bushing and can selectively receive a demountable spigot for draining the contents of the container. The spigot is equipped with resilient 0 ring seals which also serve to hold the spigot in the cap. The cap is equipped with a spring-loaded poppet valve slidably guided in a ported housing on the cap.

It will, of course, be understood that various details of construction may be varied through a Wide range Without departing from the principles of this invention, and it is, therefore, not the purpose to limit the patent granted hereon otherwise than necessitated by the scope of the appended claims.

I claim as my invention:

l. In a drum cap and spigot assembly for an internally threaded bung bushing which comprises a ring adapted to be secured in a bung bushing, said ring having a flow passage therethrough and a valve seat at one end thereof, an annular recess formed in said flow passage of said ring, a housing secured to said ring adjacent said valve seat, a poppet valve member mounted in said housing and slidable into and out of closing engagement with said valve seat, a spring member in said housing urging said valve member toward a closed position, a spigot slidably mounted in said ow passage of said ring engageable with said valve member for selectively opening said valve member, and a plurality of spaced apart resilient seal rings carried by said spigot slidably sealing said spigot in said ilow passage of said ring, one of said seal rings selectively seating in said annular recess of said ring to retain said spigot in a predetermined axial position While the other of said seal rings seals said spigot in said flow passage of said ring.

2. In a drum cap and spigot assembly for an internally threaded bushing which comprises a ring adapted to be secured in a bung bushing, said ring having a flow passage therethrough, a valve seat at one end of said ring, an annular recess in the wall of said ilow passage of said ring intermediate the ends thereof, a valve housing secured to said ring, a valve slidably mounted in said housing, a spring member mounted in said housing normally urging said valve member against said valve seat to close one end of said flow passage through said ring, a plurality of spaced lugs extending from one face of said valve member into said iiow passage, a spigot slidably mounted in said flow passage of said ring, said spigot engageable with said lugs to open said valve, and a plurality of spaced apart seal rings carried by said spigot, at least one of said seal rings being received by said annular recess to hold said spigot in adjusted axial position and both of said seal rings engaging said ring to seal said spigot in said flow passage.

3. In a drum cap and spigot assembly for a bung bushing equipped container comprising a ring adapted to be secured in a bung bushing, said ring having a flow passage therethrough, a valve seat at the inner end of said ring, an annular groove in said ow passage, a spring-urged valve member mounted on said ring and engageable with said valve seat to control the flow of fluid through said ow passage, a spigot slidably mounted in said flow passage and carrying means engageable with said valve member for controlling opening and closing thereof, a seal on said spigot sealing said spigot in said flow passage when said valve is open and a resilient rib member on said spigot received by said annular groove to retain said spigot in valve-opening engagement in a said flow passage.

4. A device for controlling drainage from containers having drain ports which comprises a ring mountable in a drain port of container, a p ort housing mounted on the inner face of said Img, a poppet-type valve mounted in said housing, said valve having a stem extending through one end of said housing and a head engageable with the inner face of said ring to control the flow of fluid from said container through said ring, a spring surrounding said stem and held under compression between said valve and said housing normally urging said valve head into closing engagement with the inner face of said ring, spaced fingers on the head of said valve extending into said ring, a drain conduit member having an end portion inserted into said ring and engaged with said ngers to open said valve, a first seal member between said drain conduit member and said ring for preventing leakage therebetween when said valve is in an open position, and intermating locking means between said ring and said drain conduit member including a resilient ring member releasably retaining said drain conduit member in adjusted axial position within said ring, said drain conduit member being axially adjustable to maintain said valve in open position against the bias of said spring.

5. In a drum cap and spigot assembly for a bung bushing equipped container comprising a. ring adapted to be secured in a bung bushing, said ring having a flow passage therethrough, a valve seat at the inner end of said ring, an annular groove in said flow passage, a springurged valve member mounted on said ring and engageable with said valve seat to control the now of uid through said flow passage, a spigot slidably mounted in said liow passage and carrying means engageable with said valve member for controlling opening and closing thereof, and annular ring means on said spigot sealing said spigot in said iiow passage when said valve is open and including a resilient; annular ring member on said spigot received by said annular groove to retain said spigot in valve-opening engagement in said flow passage.

JACOB RUSH SNYDER.

REFERENCES CITED The following references are of record in the le of this patent:

UNITED STATES PATENTS Number Name Date 635,693 Linindoll Oct. 24, 1899 889,952 McGinley et al. June 9, 1909 1,538,007 Schellin May 19, 1925 1,573,862 Raber Feb. 23, 1926 1,873,304 DeMooy Aug. 23, 1932 2,283,970 Buttner May 26, 1942 2,320,719 Davies et al. June 1, 1943 2,453,391 Whittingham Nov. 9, 1948 2,486,270 Fawick Oct. 25, 1949 FOREIGN PATENTS Number Country Date 12,164 Great Britain May 16, 1914 543,733 Great Britain Mar. 10, 1942 564,926 Great Britain Oct. 19, 1944 

